VDB-98275 · CVE-2017-5623 · BID 97048

OxygenOS up to 4.0.x on OnePlus 3/OnePlus 3T Bootloader access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in OxygenOS up to 4.0.x on OnePlus 3/OnePlus 3T. Affected by this issue is some unknown functionality of the component Bootloader. This manipulation causes access control. This vulnerability is registered as CVE-2017-5623. The attack needs to be launched locally. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in OxygenOS up to 4.0.x on OnePlus 3/OnePlus 3T and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Bootloader. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in OxygenOS before 4.1.0 on OnePlus 3 and 3T devices. The attacker can change the bootmode of the device by issuing the 'fastboot oem boot_mode {rf/wlan/ftm/normal} command' in contradiction to the threat model of Android where the bootloader MUST NOT allow any security-sensitive operation to be run unless the bootloader is unlocked.

The bug was discovered 02/08/2017. The weakness was published 03/19/2017 by Roee Hay (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2017-5623 since 01/29/2017. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 39 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.1.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97048†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

OxygenOS

Version

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.6
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OxygenOS 4.1.0

Timelineinfo

01/29/2017 🔍
02/08/2017 +10 days 🔍
03/17/2017 +37 days 🔍
03/19/2017 +2 days 🔍
03/19/2017 +0 days 🔍
03/20/2017 +1 days 🔍
09/10/2020 +1270 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Roee Hay
Status: Not defined

CVE: CVE-2017-5623 (🔍)
GCVE (CVE): GCVE-0-2017-5623
GCVE (VulDB): GCVE-100-98275
SecurityFocus: 97048 - OnePlus OxygenOS CVE-2017-5623 Local Security Bypass Vulnerability
OSVDB: - CVE-2017-5623 - Oneplus - Oxygenos - High

Entryinfo

Created: 03/20/2017 07:58
Updated: 09/10/2020 09:28
Changes: 03/20/2017 07:58 (60), 09/10/2020 09:28 (5)
Complete: 🔍
Cache ID: 216:7C6:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.